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    GB/T 42269-2022 Chinese PDF (GB/T42269-2022)

    GB/T 42269-2022 Chinese PDF (GB/T42269-2022)

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    $39.00 USD
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    GB/T 42269-2022_Chinese: Determination of pore size for membranes - Gas permeation method (Chinese: 分离膜孔径测试方法 气体渗透法)
    Note/Careful: Text of PDF is in Chinese (not English).
    Delivery (PDF in Chinese): 2 working-hours typically, ASAP
    English versions: GB/T 42269-2022
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